87570832

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 173506752

約数和(自身を除く): 85935920

約数列:

[1, 2, 4, 8, 16, 71, 142, 157, 284, 314, 491, 568, 628, 982, 1136, 1256, 1964, 2512, 3928, 7856, 11147, 22294, 34861, 44588, 69722, 77087, 89176, 139444, 154174, 178352, 278888, 308348, 557776, 616696, 1233392, 5473177, 10946354, 21892708, 43785416, 87570832]

約数ペア:

[(1, 87570832), (2, 43785416), (4, 21892708), (8, 10946354), (16, 5473177), (71, 1233392), (142, 616696), (157, 557776), (284, 308348), (314, 278888), (491, 178352), (568, 154174), (628, 139444), (982, 89176), (1136, 77087), (1256, 69722), (1964, 44588), (2512, 34861), (3928, 22294), (7856, 11147)]